How to Say "completeness" in Spanish
The Spanish word for “completeness” is “integridad” — C1 level.
English → SpanishC1
nounC1formal
entirety

Examples
Es vital proteger la integridad territorial del país.
It is vital to protect the territorial integrity (wholeness) of the country.
El arquitecto revisó la integridad estructural del puente.
The architect checked the structural soundness of the bridge.
Se debe garantizar la integridad de los datos en la base de sistemas.
The completeness of the data in the system base must be guaranteed.
Context is Key
When used in this sense, 'integridad' usually appears with adjectives like 'estructural' (structural) or 'territorial' (territorial) to clarify that you mean physical wholeness, not moral character.
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.